.node {
	cursor: pointer;
}

.overlay {
	background-color: #f3f3f3;
}

.node circle {
	fill: #fff;
	stroke: steelblue;
	stroke-width: 1.5px;
}

.node text {
	font-size: 10px;
	font-family: sans-serif;
}

.link {
	fill: none;
	stroke: #ccc;
	stroke-width: 1.5px;
}

.header1{
	font-family: sans-serif;
	font-size: 30px;
	fill: #cf9999;
}

.header2{
	font-family: sans-serif;
	font-size: 60px;
	fill: #555753;
}

.header3{
	font-family: sans-serif;
	font-size: 30px;
	fill: #babdb6;
}

.instruction{
	font-family: sans-serif;
	font-size: 14px;
}

.detail{
	font-family: sans-serif;
	font-size: 12px;
	fill: #cf9999;
}

.personal-link{
	font-family: sans-serif;
	font-size: 12px;
	fill: #3c9ddb;
}